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Describe the preparation of potassium pe...

Describe the preparation of potassium permanganate. How does the acidicfied permanganate solution react with oxalic acid? Write the ionic equation for the reaction.
OR
Describe the oxidising action of potassium dischromate and write the ionic equaitons for its reaction with (i) an iodide (ii) `H_(2)S`.

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### Step-by-Step Solution #### Preparation of Potassium Permanganate (KMnO4) 1. **Starting Material**: The preparation begins with the mineral pyrolusite (MnO2), which is a source of manganese. 2. **Fusing with KOH**: The pyrolusite is fused with potassium hydroxide (KOH) in the presence of an oxidizing agent such as atmospheric oxygen or potassium nitrate (KNO3) or potassium chlorate (KClO3). ...
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Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with oxalic acid? Write the ionic equation for the reaction. OR Describe the oxidising action of potassium dischromate and write the ionic equations for its reaction with (i) an iodide (ii) H_(2)S .

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